forked from TrainingByPackt/Professional-JavaScript
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathExercise61.js
More file actions
69 lines (69 loc) · 1.95 KB
/
Exercise61.js
File metadata and controls
69 lines (69 loc) · 1.95 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
const slowAPI = {
getUsers: (callback) => {
setTimeout(() => {
callback(null, {
status: 'OK',
data: {
users: [
{
name: 'Miku'
},
{
name: 'Len'
},
{
name: 'Kaito'
},
{
name: 'Luka'
}
]
}
});
}, 1000);
},
getCart: (username, callback) => {
setTimeout(() => {
if (username === 'Miku') {
callback(null, {
status: 'OK',
data: {
cart: ['Leek', 'Cake']
}
})
} else if (username === 'Rin') {
callback(null, {
status: 'OK',
data: {
cart: ['Banana', 'Cake']
}
})
} else if (username === 'Kaito') {
callback(null, {
status: 'OK',
data: {
cart: ['Ice Cream', 'Cake']
}
})
} else {
callback(new Error('User not found'));
}
}, 500);
}
}
function runRequests() {
slowAPI.getUsers((error, response) => {
if (error) {
console.error('Error occured when running getUsers');
throw new Error('Error occurred');
}
slowAPI.getCart(response.data.users[3].name, (error, result) => {
if (error) {
console.error(error);
throw new Error('Error occurred');
}
console.log(result);
});
});
}
runRequests();